Anion Gap

Calculates the serum anion gap, with optional albumin correction, to narrow the differential diagnosis of metabolic acidosis.

What you enter

• Sodium (mEq/L)
• Chloride (mEq/L)
• Bicarbonate (mEq/L)
• Albumin (optional) (g/dL)

Reference

AG = Na − (Cl + HCO₃); reference 8–12 mEq/L

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Educational decision-support tools. They do not replace clinical judgment, local protocols or specialist advice: verify results before acting on them.